diff options
| -rw-r--r-- | drivers/acpi/ec.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 30f3ef236ec..2cbc2c9c07a 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -756,10 +756,15 @@ static acpi_status acpi_ec_register_query_methods(acpi_handle handle, u32 level, void *context, void **return_value) { - struct acpi_namespace_node *node = handle; + char node_name[5]; + struct acpi_buffer buffer = { sizeof(node_name), node_name }; struct acpi_ec *ec = context; int value = 0; - if (sscanf(node->name.ascii, "_Q%x", &value) == 1) { + acpi_status status; + + status = acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer); + + if (ACPI_SUCCESS(status) && sscanf(node_name, "_Q%x", &value) == 1) { acpi_ec_add_query_handler(ec, value, handle, NULL, NULL); } return AE_OK; |